<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=462789
-->
<head>
  <title>Test for Bug 462789</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=462789">Mozilla Bug 462789</a>
<p id="display"><iframe id="bug462789_iframe" src="data:text/html,<html><head><style>*{color:black;}</style></head><body>xxx" style="display: none;"></iframe></p>
<div id="content" style="display: none">
  
</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 462789 **/

function do_test() {
  const ERROR_INVALID_ARG = 0x80070057;
  const DOCUMENT_NODE_TYPE = 9;

  var utils = SpecialPowers.Cc["@mozilla.org/inspector/dom-utils;1"]
                             .getService(SpecialPowers.Ci.inIDOMUtils);

  var iframe = document.getElementById("bug462789_iframe");
  var docElement = iframe.contentDocument.documentElement;
  var body = docElement.children[1];
  var rule = iframe.contentDocument.styleSheets[0].cssRules[0];
  var text = body.firstChild;

  try {
    var res = utils.getCSSStyleRules(docElement);
    is(res, null, "getCSSStyleRules");
    res = utils.getCSSStyleRules(body);
    is(res, null, "getCSSStyleRules");
  }
  catch(e) { ok(false, "got an unexpected exception:" + e); }

  try {
    var res = utils.getRuleLine(rule);
    is(res, 1, "getRuleLine");
  }
  catch(e) { ok(false, "got an unexpected exception:" + e); }

  try {
    var res = utils.isIgnorableWhitespace(text);
    is(res, false, "isIgnorableWhitespace");
  }
  catch(e) { ok(false, "got an unexpected exception:" + e); }

  try {
    var res = utils.getParentForNode(docElement, true);
    is(res.nodeType, DOCUMENT_NODE_TYPE, "getParentForNode(docElement, true)");
    res = utils.getParentForNode(text, true);
    is(res.tagName, "BODY", "getParentForNode(text, true)");
  }
  catch(e) { ok(false, "got an unexpected exception:" + e); }

  try {
    var res = utils.getBindingURLs(docElement);
    ok(SpecialPowers.call_Instanceof(res, SpecialPowers.Ci["nsIArray"]), "getBindingURLs result type");
    is(res.length, 0, "getBindingURLs array length");
  }
  catch(e) { ok(false, "got an unexpected exception:" + e); }

  try {
    utils.getContentState(docElement);
    ok(true, "Should not throw"); 
  }
  catch(e) { ok(false, "Got an exception: " + e); }

  try {
    utils.setContentState(docElement, false);
    ok(false, "expected an exception"); 
  }
  catch(e) {
    e = SpecialPowers.wrap(e);
    is(e.result, ERROR_INVALID_ARG, "got the expected exception");
  }

  SimpleTest.finish();
}

SimpleTest.waitForExplicitFinish();
addLoadEvent(do_test);

</script>
</pre>
</body>
</html>
